GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Goodwill (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($)
Changes in the carrying amount of goodwill
Goodwill, beginning balance	$ 963,418
Foreign currency exchange effects	(10,163)
Goodwill, ending balance	953,255
Operating segment | Aptar Pharma
Changes in the carrying amount of goodwill
Goodwill, beginning balance	508,447
Foreign currency exchange effects	(7,739)
Goodwill, ending balance	500,708
Operating segment | Aptar Beauty
Changes in the carrying amount of goodwill
Goodwill, beginning balance	287,097
Foreign currency exchange effects	(1,857)
Goodwill, ending balance	285,240
Operating segment | Aptar Closures
Changes in the carrying amount of goodwill
Goodwill, beginning balance	167,874
Foreign currency exchange effects	(567)
Goodwill, ending balance	$ 167,307